ArticleQuantitative imaging in medicine and surgery2022
Asynchronous changes of normal lung lobes during respiration based on quantitative computed tomography (CT).
Article in Quantitative imaging in medicine and surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 4 citations in OpenAlex.
- Investigation into the utility of ultra-high-resolution mode on dynamic-ventilation computed tomography using sponge phantoms.Scientific reports · 2025Article
- Quantifying lung growth with CT-derived intrapulmonary vascular volume: a cross-sectional study.BMC medical imaging · 2025Article
- Lung vessel connectivity map as anatomical prior knowledge for deep learning-based lung lobe segmentation.Journal of medical imaging (Bellingham, Wash.) · 2024Article
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11 authors at 3 institutions in 1 country.
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Abstract
Background: This study aimed to explore the coordinated and independent actions of lung lobes during respiration using quantitative computed tomography (CT) in order to increase our Methods: Cases for whom test results showed normal pulmonary function tests (PFTs) results, and normal paired inspiratory-expiratory chest CT findings, as assessed by 2 radiologists, were retrospectively included in this study. From the chest CT results, we measured quantitative indices of lung volume (LV) and mean lung density (MLD) for the total lung (TL), left lung (LL), right lung (RL), and 5 lobes in inspiratory and expiratory phases. The differences of these measures between bilateral lungs and among the lobes were evaluated to study whether they were consistent or different during respiration. Results: A total of 70 cases were included {median age of 49.5 [interquartile range (IQR), 38.0 to 60.3] years; 32 males; 38 females}. Overall, the inspiratory and expiratory volumes of the LL were smaller than those of the RL (both P<0.001). For the ventilation workload ( Conclusions: We found that the LL assumes a higher workload during ventilation than it does during respiration. The 5 normal lobes were non-synchronous during respiration and contributed differently to ventilation. The bilateral lower lobes showed similarities and had a high-ventilation function, while and the LV and MLD of the RML showed the least changes within a respiration cycle.
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